131343203031442 has 16 divisors (see below), whose sum is σ = 197384333326272. Its totient is φ = 65548444160080.

The previous prime is 131343203031347. The next prime is 131343203031449. The reversal of 131343203031442 is 244130302343131.

It is a junction number, because it is equal to n+sod(n) for n = 131343203031398 and 131343203031407.

It is not an unprimeable number, because it can be changed into a prime (131343203031449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9195483 + ... + 18634465.

It is an arithmetic number, because the mean of its divisors is an integer number (12336520832892).

Almost surely, 2^{131343203031442} is an apocalyptic number.

131343203031442 is a deficient number, since it is larger than the sum of its proper divisors (66041130294830).

131343203031442 is a wasteful number, since it uses less digits than its factorization.

131343203031442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9452033.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 131343203031442 its reverse (244130302343131), we get a palindrome (375473505374573).

The spelling of 131343203031442 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred three million, thirty-one thousand, four hundred forty-two".